Home / 2,957.76-4,433.76-1,227.36

Finding the Fourth Proportional to 2,957.76, 4,433.76 and 1,227.36

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Solution

The fourth proportional to 2,957.76, 4,433.76 and 1,227.36 is: 1,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.76 : 4,433.76 = 1,227.36 : x
  2. Step 2: Convert to fraction form
    2,957.76/4,433.76 = 1,227.36/x
  3. Step 3: Cross multiply
    2,957.76x = 4,433.76 × 1,227.36
  4. Step 4: Simplify right side
    2,957.76x = 5,441,819.67
  5. Step 5: Solve for x
    x = 5,441,819.67/2,957.76
  6. Step 6: Final answer
    x = 1,839.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.